1362111752021 has 2 divisors, whose sum is σ = 1362111752022. Its totient is φ = 1362111752020.

The previous prime is 1362111751999. The next prime is 1362111752051. The reversal of 1362111752021 is 1202571112631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758249100625 + 603862651396 = 870775^2 + 777086^2 .

It is a cyclic number.

It is not a de Polignac number, because 1362111752021 - 2¹⁸ = 1362111489877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1362111752051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681055876010 + 681055876011.

It is an arithmetic number, because the mean of its divisors is an integer number (681055876011).

Almost surely, 2^{1362111752021} is an apocalyptic number.

It is an amenable number.

1362111752021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1362111752021 is an equidigital number, since it uses as much as digits as its factorization.

1362111752021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 1362111752021 its reverse (1202571112631), we get a palindrome (2564682864652).

The spelling of 1362111752021 in words is "one trillion, three hundred sixty-two billion, one hundred eleven million, seven hundred fifty-two thousand, twenty-one".